1771-DCM: discrete transfer (up to eight words) or block transfer (up to 64 words). Either mode includes one status word. The local processor communicates with the 1771-DCM over the backplane using block transfers and addresses the 1771-DCM as an intelligent I/O module. When the local processor is remotely configured,

2010年3月31日 · Rockwell Automation announces that as of March 31, 2010, the 1771 Direct Communication Module will be discontinued and no longer available for sale. Customers are encouraged to remove references to the affected product (s).

1771-DCM 是一款由艾伦-布拉德利生产的数字直流输入模块，适用于自动化控制系统中的信号采集与处理。它能够实现高效的数据传输和稳定的工作性能，广泛应用于工厂自动化、过程控制等领域。

2020年2月14日 · What is the rack and group numbers for the block transfers to the 1771-DCM module?

The Allen-Bradley 1771-DCM is a PLC 5 Direct Communication Module. It allows communication between a local processor with the remote I/O scanner port of a supervisory processor by using a remote I/O adapter port across a remote I/O link.

The 1771-DCM is a chassis-mounted single-slot I/O module that allows communication between a supervisory processor and local processors (Figure 2.1). The local processor can be chassis-mounted or configured as a local or remote system.

The Allen-Bradley 1771-DCM is a Direct Communications module that is part of the 1771 Programmable Logic Controller (PLC) platform. This module is used to establish direct communication between supervisory and local processors via …

1771-DCM，PLC-5系列直接通讯模块(Direct Communication Module)。 1771-DCM模块为本地PLC-5控制器提供了一个远程输入输出端口以通过一条远程输入输出链路连接到监控处理器的远程输入输出扫描器端口上。

这是1771-DCM Allen-Bradley 工控模块，快速发货的详细页面。 产地:美国，是否进口:否，订货号:651+5616，加工定制:否，货号:5121231245，品牌:Allen-Bradley，型号:1771-DCM，工作电压:220（V），输出频率:50（kHz），产品认证:5431354646，是否跨境出口专供货源:否，系 …

The Rockwell / Allen-Bradley 1771-DCM Direct Communication Module is used and in excellent condition. Important Notice: Other accessories, manuals, cables, calibration data, software, etc. are not included with this equipment unless listed in the above stock item description. All prices are shown in USD.